SWPC: X2.8 Solar Flare Has Caused Radio Communication Interference With Aircraft
"Complex sunspot region produces X2.8 flare, the largest of the current solar cycle and since 2017. This is likely one of the largest solar radio events ever recorded."
Space Weather Prediction Center: "Complex sunspot region produces X2.8 flare, the largest of the current solar cycle and since 2017. This is likely one of the largest solar radio events ever recorded".
Powerful X-Class Solar Flare Erupts From Sun, Strongest Released Since 2017
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Explanation: Coronal Holes Located On The Sun
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The center reported on December 14th that the Earth-directed component would be expected to reach Earth on December 16th and that the effects should last until December 17th.
Radio Communication Interference With Aircraft Reported By Multiple National Weather Service Units:
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